*SUPPORT*
IN: lug dax zup OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: wif OUT: RED
IN: gazzer lug OUT: GREEN BLUE
IN: wif gazzer lug tufa fep OUT: RED GREEN BLUE PURPLE RED GREEN BLUE PURPLE
IN: gazzer fep fep dax OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN GREEN
IN: tufa fep OUT: PURPLE PURPLE
IN: tufa lug OUT: PURPLE BLUE
IN: tufa zup dax OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: lug OUT: BLUE
IN: wif fep OUT: RED RED
IN: tufa dax dax OUT: PURPLE PURPLE PURPLE PURPLE
IN: lug zup dax OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: gazzer gazzer OUT: GREEN GREEN
IN: gazzer fep OUT: GREEN GREEN

*QUERY*
IN: lug wif gazzer OUT: BLUE RED GREEN
IN: lug dax fep fep OUT: BLUE BLUE BLUE BLUE BLUE BLUE BLUE BLUE
IN: tufa fep dax OUT: PURPLE PURPLE PURPLE PURPLE
IN: wif dax fep OUT: RED RED RED RED
IN: tufa OUT: PURPLE
IN: gazzer zup OUT: GREEN GREEN GREEN
IN: gazzer zup dax OUT: GREEN GREEN GREEN GREEN GREEN GREEN
IN: tufa tufa fep OUT: PURPLE PURPLE PURPLE PURPLE
IN: tufa dax OUT: PURPLE PURPLE
IN: gazzer OUT: GREEN

*GRAMMAR*
tufa -> PURPLE 
 lug -> BLUE 
 gazzer -> GREEN 
 wif -> RED 
 x1 zup -> [x1] [x1] [x1] 
 x1 dax -> [x1] [x1] 
 x1 fep -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 